chore(landing): add docs pages to sitemap

Added all documentation pages to sitemap.xml:
- Getting Started (/docs)
- Image Generation (/docs/generation)
- Working with Images (/docs/images)
- Live URLs (/docs/live-urls)
- Authentication (/docs/authentication)
- API Reference (/docs/api)
- API: Generations, Images, Flows, Live Scopes

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/landing/src/app/sitemap.ts

@@ -1,12 +1,76 @@
 import { MetadataRoute } from 'next';
 
 export default function sitemap(): MetadataRoute.Sitemap {
+  const baseUrl = 'https://banatie.app';
+
   return [
     {
-      url: 'https://banatie.app/',
+      url: `${baseUrl}/`,
       lastModified: new Date(),
       changeFrequency: 'weekly',
       priority: 1,
     },
+    // Documentation - Guides
+    {
+      url: `${baseUrl}/docs`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.9,
+    },
+    {
+      url: `${baseUrl}/docs/generation`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.8,
+    },
+    {
+      url: `${baseUrl}/docs/images`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.8,
+    },
+    {
+      url: `${baseUrl}/docs/live-urls`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.8,
+    },
+    {
+      url: `${baseUrl}/docs/authentication`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.8,
+    },
+    // Documentation - API Reference
+    {
+      url: `${baseUrl}/docs/api`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.8,
+    },
+    {
+      url: `${baseUrl}/docs/api/generations`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.7,
+    },
+    {
+      url: `${baseUrl}/docs/api/images`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.7,
+    },
+    {
+      url: `${baseUrl}/docs/api/flows`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.7,
+    },
+    {
+      url: `${baseUrl}/docs/api/live-scopes`,
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 0.7,
+    },
   ];
 }